/Engine/Source/Runtime/Landscape/Classes/LandscapeComponent.h
[TArray](API\Runtime\Core\Containers\TArray)< [TObjectPtr](API\Runtime\Core\Delegates\TObjectPtr)< [ULandscapeWeightmapUsage](API\Runtime\Landscape\ULandscapeWeightmapUsage) > > & GetWeightmapTexturesUsage ( bool InReturnEditingWeightmap )